Home / 3,974.36-5,484.53-2,205.92

Finding the Fourth Proportional to 3,974.36, 5,484.53 and 2,205.92

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Solution

The fourth proportional to 3,974.36, 5,484.53 and 2,205.92 is: 3,044.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,974.36 : 5,484.53 = 2,205.92 : x
  2. Step 2: Convert to fraction form
    3,974.36/5,484.53 = 2,205.92/x
  3. Step 3: Cross multiply
    3,974.36x = 5,484.53 × 2,205.92
  4. Step 4: Simplify right side
    3,974.36x = 12,098,453.64
  5. Step 5: Solve for x
    x = 12,098,453.64/3,974.36
  6. Step 6: Final answer
    x = 3,044.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.